* {
    margin: 0;
    padding: 0;
    list-style: none;
}

.container {
    width: 500px;
    height: 300px;
    overflow: hidden;
    position: relative;
    margin: 20px auto;
}

.container-img {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 0;
}

.container-img li {
    float: left;
}

.container-img li>img {
    width: 500px;
    height: 300px;
    object-fit: cover;
}

.bottom-click {
    width: 100%;
    height: 30px;
    position: absolute;
    left: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.active {
    background-color: #ffa44f !important;
}

.bt-click {
    display: inline-block;
    width: 20px;
    height: 2px;
    background-color: #fff;
    margin: 0 5px;
    cursor: pointer;
}

.click-left,
.click-right {
    display: inline-block;
    width: 50px;
    height: 300px;
    background-color: rgba(0, 0, 0, .5);
    position: relative;
    cursor: pointer;
    color: #fff;
    opacity: 0;
}

.click-left::before {
    content: '<';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.click-right::before {
    content: '>';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.click-left {
    float: left;
}

.click-right {
    float: right;
}

.click-left:hover,
.click-right:hover {
    opacity: 1;
}